نتایج جستجو برای: temperature modification
تعداد نتایج: 574866 فیلتر نتایج به سال:
the paper introducedeffects of modified pyrolysis tar on flue gas desulfurization. this experiment selected the pyrolysis tar as the raw material, researched the effects on desulfurization performance under different modification solution, concentration, solid liquid ratio of pyrolysis tar and modified solution, calcination temperature and calcination time by 16 group orthogonal experiments. th...
The temperature characteristics for frequency of pulsation in isolated cloacal ends of Holothuria tubulosa are micro = 20,400 from 10 to 20 degrees , 8,000 from 20 to 30 degrees . The critical temperatures 10 degrees , 20 degrees , 30 degrees are related to thermal conditions in the environment. In sea water with doubled NaCl content micro = 8,000 from 10 to 30 degrees . This is consistent with...
Objective: The purpose of this study was to investigate local paraspinal cutaneous temperature (CT) modifications after spinal manipulative therapy at L5. Methods: Twenty subjects with acute low back symptoms were randomly assigned to either a treatment or a sham group (n = 10 per group). Subjects underwent an 8-minute acclimatizing period. Temperature was measured bilaterally with infrared cam...
In December and January the frequency of heart beat in Limax exhibits micro = 11,500 +/- 250. The ingestion of a small volume of sugar solution results in temporary change of micro to 16,200 +/- 320, which accords quantitatively with the value obtained from these slugs in spring. This effect of the sugar is reversible, but lasts longer than the abolition of negative phototropism which the sugar...
run-out-table (rot) is located between last finishing stand and down coiler in a hot strip mill. as the hot steel strip passes from rot, water jets impact on it from top and bottom and strip temperature decreases approximately from 800-950 °c to 500-750°c. the temperature history that strip experience while passing through rot affects significantly the metallurgical and mechanical properties, s...
Abstract Heat-moisture treatment is a physical method for starch modification to improve its functional properties depending on the application. The functional characteristics of the heat-moisture treated starch depend upon the source of starch and treatment conditions including time and temperature. The main objective of this study was to determine the functional properties of heat-moisture tr...
Interface modification by inserting an ultrathin low-temperature GaN layer prior to the growth of high-temperature GaN barriers followed by an annealing process was employed to improve the properties of the InGaN/GaN quantum wells. By detailed studies and comparisons of the surface morphology, photoluminescence and the surface compositions of the InGaN/GaN quantum wells at different growth stag...
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